National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Dec 8, 2025 at 3:52:44 am EST

 

A light snow event is likely to occur late overnight through tomorrow across northeastern Tennessee, southwestern Virginia, and the higher elevations of the East TN mountains. Valley snow in the aforementioned areas will run 0 to 1 inches, with higher elevations of the Virginian and northeastern Tennessee ridges and mountains to accumulate 1 to 3 inches. The highest elevations of the Smokies may pick up 1 to 3 inches of snow as well. Isolated mountain snow to 4 inches possible. Snow showers will decrease in intensity into the evening and will become flurries by the conclusion of the advisory at 7 PM EST.
A light snow event is likely to occur late overnight through tomorrow across northeastern Tennessee, southwestern Virginia, and the higher elevations of the East TN mountains. Valley snow in the aforementioned areas will run 0 to 1 inches, with higher elevations of the Virginian and northeastern Tennessee ridges and mountains to accumulate 1 to 3 inches. The highest elevations of the Smokies may pick up 1 to 3 inches of snow as well. Isolated mountain snow to 4 inches possible. Snow showers will decrease in intensity into the evening and will become flurries by the conclusion of the advisory at 7 PM EST.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. Dry weather with warmer temperatures are expected Tuesday and Wednesday.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. Dry weather with warmer temperatures are expected Tuesday and Wednesday.
Rain will spread across the area Monday morning, with a change to snow in the mountains of East Tennessee and portions of southwest Virginia. Light snow accumulations are expected in these areas, which may impact driving. Dry weather with warmer temperatures are expected Tuesday and Wednesday.

 Current Weather Observations...
Location Time
(EST)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA03:35Overcast10413270VRB 1-29.98
Andrews-Murphy NC03:19Light Rain7373593CALM-30.01
Chattanooga TN02:53Light Rain \ Mist6414095CALM-30.04
Crossville TN03:14Light Rain \ Mist6403996NNW 3-30.01
Dalton GA03:35Light Rain \ Mist44141100CALM-30.04
Knoxville TN (McGhee-Tyson)03:22Light Rain9423988CALM-30.00
Middlesboro KY03:15Overcast10423888CALM-30.03
Monroe Cnty TN03:35Mist64141100CALM-30.01
Morristown TN03:35Overcast84141100SW 537 [WC]30.00
Oak Ridge TN02:53Light Rain8413992CALM-30.03
Tazewell Cnty VA03:35Overcast10373072NE 533 [WC]29.99
Tri-Cities TN02:53Mostly Cloudy10403582CALM-29.99
Wise VA03:35Overcast10353286N 530 [WC]29.99
Greeneville, TN03:35Overcast7413993CALM-29.98


Local Weather History For December 8th...
Snow and ice fell across eastern US in 1989. 7" of snow fell in parts of VA, rain fell in east
TN.

 

 

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